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Posts Tagged ‘power grid’

Despite all the press and buzz around cars like the Tesla, EVs (electric vehicles) are nowhere close to becoming a widespread phenomenon.

First of all, the battery technology at the heart of the EV power train is still problematic. The batteries are heavy and take up a lot of space. Lithium-ion batteries – the type most popular in electric vehicles – are flammable, although electric vehicle enthusiasts argue that gasoline is also volatile. EV batteries are extremely expensive to replace, tens of thousands of dollars for a complete pack, and must be swapped out after 100,000 miles of use. Finally, a fully charged EV will only go about 100 miles* before the charge is depleted, a problem compounded by range anxiety. EV owners are reluctant to let their batteries drop below a 50-percent charge, so are unwilling to venture farther than 50 miles between chargings.